Leafkin Druid

{T}: Add {G}. If you control four or more creatures, add {G}{G} instead.

Nature's Lore

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Earthen Arms

Put two +1/+1 counters on target permanent.
Awaken 4—{6}{G} (If you cast this spell for {6}{G}, also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Vines of the Recluse

Target creature gets +1/+2 and gains reach until end of turn. Untap it. (A creature with reach can block creatures with flying.)

Primal Druid

When Primal Druid dies, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Wall of Vines

Defender (This creature can't attack.)
Reach (This creature can block creatures with flying.)

Elvish Mystic

Groundswell

Target creature gets +2/+2 until end of turn.
Landfall — If you had a land enter the battlefield under your control this turn, that creature gets +4/+4 until end of turn instead.

Voyaging Satyr

Yedora, Grave Gardener

Whenever another nontoken creature you control dies, you may return it to the battlefield face down under its owner's control. It's a Forest land. (It has no other types or abilities.)

Untamed Might

Target creature gets +X/+X until end of turn.

Stony Strength

Put a +1/+1 counter on target creature you control. Untap that creature.

Mending Touch

Genju of the Cedars

Enchant Forest
{2}: Enchanted Forest becomes a 4/4 green Spirit creature until end of turn. It's still a land.
When enchanted Forest is put into a graveyard, you may return Genju of the Cedars from your graveyard to your hand.

Forest

Scaled Herbalist

{T}: You may put a land card from your hand onto the battlefield.

Commune with Nature

Look at the top five cards of your library. You may reveal a creature card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Humble Naturalist

{T}: Add one mana of any color. Spend this mana only to cast a creature spell.

Werebear

{T}: Add {G}.
Threshold — Werebear gets +3/+3 as long as seven or more cards are in your graveyard.

Jaddi Offshoot

Defender
Landfall — Whenever a land you control enters, you gain 1 life.

Druid of the Cowl

Kujar Seedsculptor

When Kujar Seedsculptor enters, put a +1/+1 counter on target creature you control.